org.apache.flink.python.util

类 HashMapWrapper

java.lang.Object

org.apache.flink.python.util.HashMapWrapper

@Internal
public class HashMapWrapper
extends Object

Helper class to create a HashMap taking Numeric data as key or value from Python side. This is to avoid unexpected boxing/unboxing happens, see https://github.com/py4j/py4j/issues/374 for more details.

构造器概要

构造器

构造器和说明
HashMapWrapper(Class<?> keyCls, Class<?> valueCls)

方法概要

限定符和类型	方法和说明
HashMap	asMap()
void	put(Object key, Object value)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

HashMapWrapper

public HashMapWrapper(Class<?> keyCls,
                      Class<?> valueCls)

方法详细资料

put

public void put(Object key,
                Object value)
         throws Exception

抛出:

Exception

asMap

public HashMap asMap()